akashic
1876–2024
State Senate District 31·New Jersey

New Jersey 31st State Senate District has voted Democratic in ten straight presidential cycles.

A competitive corridor where a slim 2.9-point presidential margin defines the stakes

1876 — 2024·38 elections
NJ
Latest
D+28
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
352,189
2024 ACS

New Jersey 31st State Senate District, New Jersey: Democratic loyalist district. In 2024, voted D+28%. Democratic peak: D+56 in 2012.

Key facts

2024 presidential margin
D+28MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
352,1892024 5-year
Median household income
$91,8382024 5-year
White (non-Hispanic)
32.3%2024 5-year
Black
11.9%2024 5-year
Hispanic / Latino
40.6%2024 5-year
Peak Democratic margin
D+56 in 1936MIT Election Lab
Peak Republican margin
R+26 in 1956MIT Election Lab
2024 results by constituent county
2 counties · 2 D · 0 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+28.1%
71,13339,130113,963
D
+46.7%
89,11032,163121,890
D
+52.2%
80,52424,010108,258
D
+56.1%
75,18620,76897,043
D
+46.9%
75,74227,116103,748
D
+35.4%
62,66729,71193,098
D
+44.6%
58,09721,46482,201
D
+47.0%
57,03218,75881,481
D
+18.2%
49,07532,55790,817
D
+7.9%
48,42041,29190,508
R
−8.7%
46,36255,237102,142
D
+2.3%
46,92744,64997,409
D
+11.2%
57,04845,349104,284
R
−21.3%
43,25267,019111,605
D
+13.8%
61,32344,721119,887
D
+48.0%
98,12234,054133,371
D
+20.9%
85,69555,848142,799
R
−25.7%
52,61290,085145,906
D
+2.5%
79,22875,264159,015
D
+23.6%
89,68754,470149,405
D
+24.1%
93,87757,402151,621
D
+31.8%
102,19552,769155,227
D
+56.0%
114,42031,943147,384
D
+45.8%
90,51532,823126,001
D
+20.9%
74,99748,985124,528
D
+5.2%
44,64539,66695,111
R
−22.9%
30,70549,92583,797
D
+2.4%
21,92720,85943,785
D
+41.1%
19,9214,32937,935
R
−2.7%
19,48720,62142,180
D
+1.8%
18,72018,04038,687
D
+7.8%
18,71615,91735,747
R
−8.6%
13,84816,54731,518
D
+15.9%
15,88311,46227,776
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Italian
6.9%
Irish
6.0%
German
3.3%
Polish
2.5%
American
2.3%
English
1.8%
French
0.7%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 35.8 in this county, 39.1 nationally
Male
Age
Female
0.5%
85+
0.9%
1.6%
75–84
2.3%
3.4%
65–74
4.0%
5.2%
55–64
5.5%
5.9%
45–54
5.9%
8.6%
35–44
7.8%
10.7%
25–34
10.2%
4.0%
18–24
3.7%
6.9%
5–17
6.6%
3.2%
<5
3.1%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$91,838
State Senate District 31 ranks near the middle of US counties.
State Senate District 31$91,838
New Jersey$85,974
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
14.9%
Children face moderate poverty.
Children under 1820.8%
Working age (18–64)13.0%
Seniors (65+)20.3%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
43.6%
speak English only
Spanish33.4%
Other Indo-European11.3%
Asian & Pacific Islander8.0%
Other languages3.9%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
31.2%
Non-Christian
8.9%
Other Christian
4.8%
Baptist
2.2%
Pentecostal & Holiness
1.1%
Mainline Protestant
0.7%
Methodist
0.4%
Source · 2020 US Religion Census. Remaining 50.7% of residents not counted as adherents by any reporting body.

New Jersey's 31st Senate district sits close enough to the statewide median that presidential results here have tracked competitive margins in recent cycles, making it a reliable bellwether for how suburban and working-class voters split when the top of the ticket is contested.

The Democratic margin in New Jersey 31st State Senate District reached its widest at fifty-six points in 2012. The margin in 2024 was twenty-eight points — still decisive.

Its loyalty is rooted in its place. Median household income of $91,838, a 32% non-Hispanic-white share, and a population of 352,189 together describe a district whose political habits are deeply settled.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 31, New Jersey. Akashic. https://akashic.app/sld-upper/34031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 31, New Jersey vote in 2024?
In 2024, State Senate District 31, New Jersey voted Democratic by 28.1 points (D+28), carried by the Democratic candidate. Out of 113,963 votes cast, 71,133 went Democratic and 39,130 went Republican.
What is State Senate District 31, New Jersey's political archetype?
Akashic classifies State Senate District 31, New Jersey as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 28 times, Republican 6 times, and other 0 times.
When did State Senate District 31, New Jersey last vote Republican?
The most recent presidential election in which State Senate District 31, New Jersey voted Republican was 1984.
How many people live in State Senate District 31, New Jersey?
State Senate District 31, New Jersey has a population of 352,189 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 31, New Jersey?
Median household income in State Senate District 31, New Jersey is $91,838 — above the national median of $80,734. The New Jersey state median is $85,974.
What is the political history of State Senate District 31, New Jersey?
Akashic tracks 38 presidential elections in State Senate District 31, New Jersey from 1876 to 2024. Of those, 28 went Democratic and 6 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.